弗雷德里克·马奇
Fredric March
饰：Samuel Langhorne Clemens (Mark Twain)
亚历克西斯·史密斯
Alexis Smith
饰：Olivia Langdon Clemens
唐纳德·克里斯普
Donald Crisp
饰：J.B. Pond
艾伦·海尔
Alan Hale
饰：Steve Gillis
C.奥布雷·史密斯
C. Aubrey Smith
饰：Oxford Chancellor
约翰·卡拉丁
John Carradine
饰：Bret Harte
威廉·亨利
William Henry
饰：Charles Langdon (as Bill Henry)
罗伯特·巴拉
Robert Barrat
饰：Horace E. Bixby, Riverboat Captain
沃尔特·汉普顿
Walter Hampden
饰：Jervis Langdon
乔伊丝·雷诺兹
Joyce Reynolds
饰：Clara Clemens
Whitford Kane
饰：Joe Goodwin, Editor
珀西·基尔布莱德
Percy Kilbride
饰：Billings, Enterprise Typesetter
娜娜·布莱恩特
Nana Bryant
饰：Mrs. Langdon
Jackie Brown
Jackie Brown
饰：Samuel Clemens - age 12
迪克•琼斯
Dickie Jones
饰：Samuel Clemens - age 15
拉塞尔·格里森
Russell Gleason
饰：Orion Clemens, Editor Habbibal Journal
约瑟夫·奎汉
Joseph Crehan
饰：Riverboat Captain,Ulysses S. Grant
道格拉斯·伍德
Douglas Wood
饰：William Dean Howells
厄尼·亚当斯
Ernie Adams
饰：Pickpocket (uncredited)
Hooper Atchley
饰：Secretary (uncredited)
亚瑟·埃尔斯沃斯
Arthur Aylesworth
饰：Worried Buffalo Merchant (uncredited)
琳恩·巴格特
饰：Susie Clemens (uncredited)
莉·贝尔德
Leah Baird
饰：Bit Role (uncredited)
狄安娜·巴里摩尔
Diana Barrymore
饰：Undetermined Role (uncredited) (unconfirmed)
威利·贝斯特
Willie Best
饰：George, Twain's Butler (uncredited)
Henry Blair
Henry Blair
饰：Boy (uncredited)
奥利弗·布莱克
Oliver Blake
饰：Miner (uncredited)
蒙蒂·布卢
Gerard Montgomery Blue
饰：Captain of 'Queen of Dixie' (uncredited)
Bob Burns
饰：Passenger (uncredited)
Viola Callahan
Viola Callahan
饰：Bit Role (uncredited)
Burr Caruth
饰：Oliver W. Holmes (uncredited)
惠顿·钱伯斯
Wheaton Chambers
饰：Joker at Train Station (uncredited)
戴维森·克拉克
George Davison Clark
饰：Henry Wadsworth Longfellow (uncredited)
切斯特·康克林
Chester Conklin
饰：Frog Jump Contest Judge (uncredited)
卡萝尔·库姆斯
Carol Coombs
饰：Clara as a Child (uncredited)
劳埃德·科里根
Lloyd Corrigan
饰：Town Citizen (uncredited)
弗兰克·达埃
Frank Dae
饰：Houghton (uncredited)
弗兰克·达里恩
Frank Darien
饰：Toy Store Proprietor (uncredited)
Earle S. Dewey
饰：Southerner (uncredited)
Dudley Dickerson
饰：Black Man (uncredited)
丹尼斯·唐纳利
Dennis Donnelly
饰：Baby (uncredited)
罗兰德·德鲁
Roland Drew
饰：Editor (uncredited)
Bill Edwards
饰：Bit Role (uncredited)
迪克·埃利奥特
Dick Elliott
饰：Spectator at Frog-Jumping Contest (uncredited)
吉姆·法利
Jim Farley
饰：Prospector (uncredited)
Ross Ford
饰：Hardy - Howell's Secretary (uncredited)
冯威利
Willie Fung
饰：Chinese Man (uncredited)
Rosina Galli
饰：Italian Nurse (uncredited)
Jack Gardner
饰：Bit Role (uncredited)
Jack Gargan
饰：Bit Role (uncredited)
威廉·古尔德
William Gould
饰：Ship's Bouncer (uncredited)
Mildred Gover
饰：Black Woman (uncredited)
Jessica Grayson
饰：Housekeeper (uncredited)
William Haade
饰：Steam Room Chief (uncredited)
弗兰克·哈格尼
Frank Hagney
饰：Crew Chief (uncredited)
克莱顿·黑尔
Creighton Hale
饰：Man with Mule (uncredited)
瑟斯顿·霍尔
Thurston Hall
饰：Politician (uncredited)
Robert Herrick
饰：English Boy (uncredited)
Gene Holland
饰：Huckleberry Finn (uncredited)
Harry Holman
饰：Drunken Guest (uncredited)
斯图尔特·霍姆斯
Stuart Holmes
饰：Man at Reception (uncredited)
罗伯特·霍曼斯
Robert Homans
饰：Bit Role (uncredited)
奥林·霍兰德
Olin Howland
饰：Riverboat Southerner (uncredited)
George Humbert
饰：Bit Role (uncredited)
布兰登·赫斯特
Brandon Hurst
饰：Ralph Waldo Emerson (uncredited)
凯·约翰逊
Kay Johnson
饰：Jane Clemens (uncredited)
Payne B. Johnson
饰：Boy in Frog Jumping Scene (uncredited)
Lew Kelly
饰：Pilot House Guest (uncredited)
弗雷德·凯尔西
Fred Kelsey
饰：River Rafter (uncredited)
比尔·肯尼迪
Bill Kennedy
饰：Bit Role (uncredited)
维克托·基利恩
Victor Kilian
饰：Higgins (uncredited)
Bobby Larson
饰：Boy (uncredited)
彼特·劳福德
Peter Lawford
饰：Young Oxford Celebrant (uncredited)
乔治·莱西
George Lessey
饰：Henry H. Rogers, Financier (uncredited)
Charles Marsh
饰：Prospector (uncredited)
弗兰克·梅奥
Frank Mayo
饰：Pilot House Guest (uncredited)
Charles McAvoy
饰：Prospector (uncredited)
Sam McDaniel
饰：Comet Watcher (uncredited)
Sammy McKim
饰：Cub Pilot (uncredited)
John 'Skins' Miller
John 'Skins' Miller
饰：Cross-Eyed Man (uncredited)
迈克尔米勒
Michael Miller
饰：Tom Sawyer (uncredited)
杰克·莫厄尔
Jack Mower
饰：Pilot House Guest (uncredited)
弗兰克·奥康纳
Frank O'Connor
饰：Carriage Driver (uncredited)
帕特·奥马利
Pat O'Malley
饰：Captain's Aide (uncredited)
巴德·奥斯博内
Bud Osborne
饰：Lee Griggs (uncredited)
保罗·潘策尔
Paul Panzer
饰：Pilot House Guest (uncredited)
Charles Peck
饰：English Boy (uncredited)
Frank Pharr
饰：Stagecoach Passenger (uncredited)
弗朗西斯·皮埃洛
Francis Pierlot
饰：Paige - Typesetter Inventor (uncredited)
莉莲·伦道夫
Lillian Randolph
饰：Black Woman (uncredited)
George Reed
饰：Comet Watcher (uncredited)
弗兰克·瑞切尔
Frank Reicher
饰：Doctor in Elmira, N.Y. (uncredited)
Betty Roadman
饰：Bit Role (uncredited)
Christian Rub
饰：Jones - Printer (uncredited)
Cliff Saum
饰：Prospector (uncredited)
Francis Sayles
饰：Bit Role (uncredited)
Paul Scardon
饰：Rudyard Kipling (uncredited)
George Sherwood
饰：Prospector (uncredited)
Emmett Smith
饰：Repeater (uncredited)
Walter Soderling
饰：Telegrapher (uncredited)
Libby Taylor
饰：Black Woman (uncredited)
Joyce Tucker
Joyce Tucker
饰：Jean (uncredited)
哈利泰勒
Harry Tyler
饰：Assistant Editor (uncredited)
Dorothy Vaughan
饰：Katie Leary, Twain's Maid (uncredited)
Billy Vincent
Billy Vincent
饰：Shopkeeper (uncredited)
查尔斯·沃尔德伦
Charles Waldron
饰：Dr. Quintard, Twain's Personal Physician (uncredited)
Lee 'Lasses' White
饰：Yokel (uncredited)
李奥·怀特
Leo White
饰：Barber (uncredited)
欧内斯特·惠特曼
Ernest Whitman
饰：Stoker (uncredited)
弗兰克·维尔考克斯
Frank Wilcox
饰：Judge Clemens, Samuel's Father (uncredited)
Lottie Williams
饰：Lady in Audience (uncredited)
诺尔曼威利斯
Norman Willis
饰：Ben Lake (uncredited)
Joan Winfield
饰：Bit Role (uncredited)
Harry Woods
饰：Bixby's Depth Caller (uncredited)
Harry Worth
饰：Gambler (uncredited)
Gloria Ann Crawford
Gloria Ann Crawford
饰：Susie Clemens as a Child (uncredited)
George Haywood
饰：Bit Role (uncredited)
Harry Hilliard
饰：John G. Whittier (uncredited)
李·鲍威尔
Lee Powell
饰：Cowboy (uncredited)
Charlene Salerno
Charlene Salerno
饰：Jean as a Child (uncredited)
Frederick Spencer
Frederick Spencer
饰：Jim (uncredited)
萨拉·爱德华兹
Sarah Edwards
埃迪·沃勒
Eddy Waller
Richard Kipling
饰：演员 Actor/Actress
Paul Newlan
饰：演员 Actor/Actress
Billy Lechner
饰：演员 Actor/Actress
Charles Irwin
饰：演员 Actor/Actress
Sailor Vincent
饰：演员 Actor/Actress